Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a semana do jogo com um resultado de w 48–20?
 ###Tabelas: CREATE TABLE historical_list_of_staff_and_faculty (historical_list_of_staff_and_faculty_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, President VARCHAR, Chair of Global Ministries VARCHAR, Chair of Pastoral VARCHAR, Chair of Music VARCHAR, Dean of Students VARCHAR, Dean of Men VARCHAR, Dean of Women VARCHAR, Assistant Dean of Men VARCHAR, Assistant Dean of Women VARCHAR) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Week INT, Date VARCHAR, Opponent VARCHAR, Result VARCHAR, Game site VARCHAR, Record VARCHAR, Attendance INT) CREATE TABLE current_and_notable_past_models (current_and_notable_past_models_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Length Over All VARCHAR, Beam VARCHAR, Sail Area VARCHAR, Crew VARCHAR, Comments VARCHAR) CREATE TABLE 2001_ladder (2001_ladder_id AUTO_INCREMENT PRIMARY KEY, Ballarat FL VARCHAR, Wins INT, Byes INT, Losses INT, Draws INT, Against INT) CREATE TABLE aerial_victories (aerial_victories_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Unit INT, Aircraft VARCHAR, Opponent VARCHAR, Location VARCHAR)  
SELECT Week FROM schedule WHERE Result = w 48–20